package com.threeSales.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.tomcat.jni.User;

import com.threeSales.entity.Admin;

public class UserLoginFilter implements Filter {

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) arg0;
		HttpServletResponse response = (HttpServletResponse) arg1;
		response.setContentType("text/html;charset=UTF-8");
		
/*		StringBuffer url = request.getRequestURL();
		String loginUrl = "http://localhost:8080"+request.getContextPath()+"/admin/login.jsp";

		if(url.toString().toLowerCase().equals(loginUrl.toLowerCase())){
			arg2.doFilter(arg0, arg1);
			return;
		}*/
		
		if(request.getSession().getAttribute("user") == null || request.getSession().getAttribute("user")=="" ){
			request.setAttribute("userLoginErr", "请登录");
			request.getRequestDispatcher("/login.jsp").forward(request, response);
		}else {
			arg2.doFilter(arg0, arg1);
		}
		
		
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}
